diff --git a/SecuritySystem/SecuritySystemListImplement/DataListSingleton.cs b/SecuritySystem/SecuritySystemListImplement/DataListSingleton.cs
index 827b90c..85dbcbf 100644
--- a/SecuritySystem/SecuritySystemListImplement/DataListSingleton.cs
+++ b/SecuritySystem/SecuritySystemListImplement/DataListSingleton.cs
@@ -14,6 +14,7 @@ namespace SecuritySystemListImplement
             Components = new List<Component>();
             Orders = new List<Order>();
             Secures = new List<Secure>();
+            Shops = new List<Shop>();
         }
         public static DataListSingleton GetInstance()
         {